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    2753

    GDR453 - Refrigerant Gas Detector with Display and Remote Sensor

    The GDR453 is an industrial gas detector with a remote sensor, designed for installations where it is necessary to separate the sensor unit from the main body. It supports all standard signals (analog, Modbus, relays) and include… See more...
    Standard Specifications
    Power supply: 12–24 Vac/Vdc (100–240 Vac on request)
    Outputs:
    • Analog: 4–20 mA, 1–5 V, 2–10 V
    • Digital: Modbus RS485
    • 3 Relays (2 alarm, 1 fault)
    Acoustic alarm: 80 dB buzzer at 10 cm
    Remote sensor: up to 3 meters distance
    Compatible sensors:
    • Electrochemical (NH₃)
    • Infrared (CO₂, R134a, R404a, R407c, R410a, R507, R449a, R32, R290, R600)
    • Pellistor (R290, R600)
    • Semiconductor (R134a, R404a, R407c, R410a, R507, R449a, R32)
    Measurement range:
    • Electrochemical: 0–1,000 ppm
    • Infrared: up to 50,000 ppm or 5% Vol
    • Pellistor: 0–100% LFL
    • Semiconductor: 0–1,000 ppm
    Operating temperature: -40°C to +60°C (depending on sensor)
    Protection rating: IP67
    Sensor cartridge: Replaceable
    Bluetooth:
    • Real-time measurement
    • Calibration and electrical testing
    • Relay and Modbus configuration
    • Display of electronic data, serial number, and firmware
    Options
    NH3: GDR453EA, GDR453EAH
    R290/R600: GDR453PX (pellistor), GDR453I8/I9 (IR)
    CO2 (IR): GDR453IC25, IC210, IC220, IC250
    Other gases (IR):
    • R134a (I1), R404a (I2), R407c (I3), R410a (I4), R507 (I5), R449a (I6), R32 (I7)
    Semiconductors: GDR453S1–S7
    Custom versions: GDR453IX, SX, PX
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